./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-45.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-45.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5326c7e78fc5e18ed4f8f1ba81fdcfea4ce5d46591384cd6b4be08f47f5245c7 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 05:06:10,427 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 05:06:10,525 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 05:06:10,531 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 05:06:10,533 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 05:06:10,571 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 05:06:10,572 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 05:06:10,572 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 05:06:10,573 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 05:06:10,573 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 05:06:10,573 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 05:06:10,574 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 05:06:10,574 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 05:06:10,575 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 05:06:10,575 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 05:06:10,577 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 05:06:10,577 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 05:06:10,578 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 05:06:10,578 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 05:06:10,581 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 05:06:10,581 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 05:06:10,582 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 05:06:10,582 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 05:06:10,583 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 05:06:10,585 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 05:06:10,586 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 05:06:10,586 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 05:06:10,587 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 05:06:10,587 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 05:06:10,587 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 05:06:10,588 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 05:06:10,588 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 05:06:10,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 05:06:10,588 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 05:06:10,589 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 05:06:10,589 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 05:06:10,589 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 05:06:10,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 05:06:10,590 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 05:06:10,590 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 05:06:10,590 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 05:06:10,592 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 05:06:10,592 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5326c7e78fc5e18ed4f8f1ba81fdcfea4ce5d46591384cd6b4be08f47f5245c7 [2024-11-10 05:06:10,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 05:06:10,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 05:06:10,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 05:06:10,898 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 05:06:10,898 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 05:06:10,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-45.i [2024-11-10 05:06:12,560 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 05:06:12,765 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 05:06:12,766 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-45.i [2024-11-10 05:06:12,784 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a63273d7/9b8b8e557435448a96abf4e8987a585b/FLAGa3250a498 [2024-11-10 05:06:13,128 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a63273d7/9b8b8e557435448a96abf4e8987a585b [2024-11-10 05:06:13,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 05:06:13,131 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 05:06:13,132 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 05:06:13,132 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 05:06:13,138 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 05:06:13,139 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:06:13" (1/1) ... [2024-11-10 05:06:13,140 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@271bc877 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:06:13, skipping insertion in model container [2024-11-10 05:06:13,140 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:06:13" (1/1) ... [2024-11-10 05:06:13,180 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 05:06:13,389 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-45.i[919,932] [2024-11-10 05:06:13,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 05:06:13,510 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 05:06:13,525 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-45.i[919,932] [2024-11-10 05:06:13,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 05:06:13,605 INFO L204 MainTranslator]: Completed translation [2024-11-10 05:06:13,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:06:13 WrapperNode [2024-11-10 05:06:13,606 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 05:06:13,607 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 05:06:13,607 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 05:06:13,607 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 05:06:13,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:06:13" (1/1) ... [2024-11-10 05:06:13,630 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:06:13" (1/1) ... [2024-11-10 05:06:13,671 INFO L138 Inliner]: procedures = 26, calls = 54, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 238 [2024-11-10 05:06:13,672 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 05:06:13,673 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 05:06:13,673 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 05:06:13,673 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 05:06:13,685 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:06:13" (1/1) ... [2024-11-10 05:06:13,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:06:13" (1/1) ... [2024-11-10 05:06:13,690 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:06:13" (1/1) ... [2024-11-10 05:06:13,718 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 05:06:13,718 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:06:13" (1/1) ... [2024-11-10 05:06:13,719 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:06:13" (1/1) ... [2024-11-10 05:06:13,729 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:06:13" (1/1) ... [2024-11-10 05:06:13,730 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:06:13" (1/1) ... [2024-11-10 05:06:13,733 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:06:13" (1/1) ... [2024-11-10 05:06:13,735 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:06:13" (1/1) ... [2024-11-10 05:06:13,739 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 05:06:13,740 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 05:06:13,741 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 05:06:13,741 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 05:06:13,742 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:06:13" (1/1) ... [2024-11-10 05:06:13,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 05:06:13,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 05:06:13,783 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 05:06:13,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 05:06:13,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 05:06:13,840 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 05:06:13,840 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 05:06:13,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 05:06:13,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 05:06:13,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 05:06:13,964 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 05:06:13,967 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 05:06:14,395 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-10 05:06:14,395 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 05:06:14,413 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 05:06:14,413 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 05:06:14,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:06:14 BoogieIcfgContainer [2024-11-10 05:06:14,414 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 05:06:14,416 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 05:06:14,416 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 05:06:14,420 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 05:06:14,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:06:13" (1/3) ... [2024-11-10 05:06:14,422 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cbb92e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:06:14, skipping insertion in model container [2024-11-10 05:06:14,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:06:13" (2/3) ... [2024-11-10 05:06:14,424 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cbb92e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:06:14, skipping insertion in model container [2024-11-10 05:06:14,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:06:14" (3/3) ... [2024-11-10 05:06:14,426 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-45.i [2024-11-10 05:06:14,447 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 05:06:14,448 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 05:06:14,512 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 05:06:14,522 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@61665e00, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 05:06:14,522 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 05:06:14,527 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 66 states have (on average 1.3636363636363635) internal successors, (90), 67 states have internal predecessors, (90), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-10 05:06:14,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-11-10 05:06:14,548 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:06:14,549 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:06:14,550 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:06:14,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:06:14,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1858887354, now seen corresponding path program 1 times [2024-11-10 05:06:14,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:06:14,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770611826] [2024-11-10 05:06:14,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:06:14,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:06:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:06:15,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:06:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:06:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:06:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:06:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:06:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:06:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:06:15,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:06:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:06:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:06:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:06:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:06:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:06:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:06:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:06:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:06:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:06:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:06:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 05:06:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 05:06:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 05:06:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 05:06:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 05:06:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 05:06:15,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 05:06:15,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 05:06:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 05:06:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-10 05:06:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 05:06:15,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-10 05:06:15,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 05:06:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-10 05:06:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 05:06:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 05:06:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 05:06:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 05:06:15,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 05:06:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 05:06:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-10 05:06:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 05:06:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,457 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-10 05:06:15,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:06:15,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770611826] [2024-11-10 05:06:15,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770611826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:06:15,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:06:15,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 05:06:15,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244671255] [2024-11-10 05:06:15,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:06:15,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 05:06:15,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:06:15,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 05:06:15,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 05:06:15,499 INFO L87 Difference]: Start difference. First operand has 110 states, 66 states have (on average 1.3636363636363635) internal successors, (90), 67 states have internal predecessors, (90), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-10 05:06:15,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:06:15,538 INFO L93 Difference]: Finished difference Result 212 states and 378 transitions. [2024-11-10 05:06:15,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 05:06:15,541 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) Word has length 257 [2024-11-10 05:06:15,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:06:15,549 INFO L225 Difference]: With dead ends: 212 [2024-11-10 05:06:15,550 INFO L226 Difference]: Without dead ends: 105 [2024-11-10 05:06:15,554 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 05:06:15,558 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 05:06:15,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 05:06:15,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-11-10 05:06:15,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2024-11-10 05:06:15,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 62 states have internal predecessors, (82), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-10 05:06:15,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 164 transitions. [2024-11-10 05:06:15,616 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 164 transitions. Word has length 257 [2024-11-10 05:06:15,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:06:15,616 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 164 transitions. [2024-11-10 05:06:15,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-10 05:06:15,617 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 164 transitions. [2024-11-10 05:06:15,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-11-10 05:06:15,624 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:06:15,624 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:06:15,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 05:06:15,625 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:06:15,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:06:15,626 INFO L85 PathProgramCache]: Analyzing trace with hash -878807275, now seen corresponding path program 1 times [2024-11-10 05:06:15,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:06:15,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263987986] [2024-11-10 05:06:15,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:06:15,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:06:15,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:06:15,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:06:15,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:06:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:06:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:06:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:06:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:06:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:06:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:06:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:06:15,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:06:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:06:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:06:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:06:15,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:06:15,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:06:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:15,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:06:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:16,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:06:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:16,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:06:16,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:16,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 05:06:16,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:16,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 05:06:16,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:16,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 05:06:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:16,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 05:06:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:16,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 05:06:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:16,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 05:06:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:16,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 05:06:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:16,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 05:06:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:16,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 05:06:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:16,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-10 05:06:16,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:16,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 05:06:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:16,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-10 05:06:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:16,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 05:06:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:16,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-10 05:06:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:16,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 05:06:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:16,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 05:06:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:16,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 05:06:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:16,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 05:06:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:16,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 05:06:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:16,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 05:06:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:16,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-10 05:06:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:16,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 05:06:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:06:16,122 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-10 05:06:16,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:06:16,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263987986] [2024-11-10 05:06:16,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263987986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:06:16,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:06:16,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 05:06:16,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186517043] [2024-11-10 05:06:16,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:06:16,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 05:06:16,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:06:16,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 05:06:16,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 05:06:16,131 INFO L87 Difference]: Start difference. First operand 105 states and 164 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-10 05:06:16,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:06:16,228 INFO L93 Difference]: Finished difference Result 306 states and 480 transitions. [2024-11-10 05:06:16,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 05:06:16,229 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 257 [2024-11-10 05:06:16,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:06:16,236 INFO L225 Difference]: With dead ends: 306 [2024-11-10 05:06:16,236 INFO L226 Difference]: Without dead ends: 204 [2024-11-10 05:06:16,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 05:06:16,241 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 153 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 05:06:16,242 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 341 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 05:06:16,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-10 05:06:16,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 201. [2024-11-10 05:06:16,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 116 states have (on average 1.293103448275862) internal successors, (150), 116 states have internal predecessors, (150), 82 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-10 05:06:16,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 314 transitions. [2024-11-10 05:06:16,293 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 314 transitions. Word has length 257 [2024-11-10 05:06:16,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:06:16,294 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 314 transitions. [2024-11-10 05:06:16,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-10 05:06:16,295 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 314 transitions. [2024-11-10 05:06:16,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-11-10 05:06:16,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:06:16,299 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:06:16,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 05:06:16,300 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:06:16,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:06:16,300 INFO L85 PathProgramCache]: Analyzing trace with hash 420270312, now seen corresponding path program 1 times [2024-11-10 05:06:16,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:06:16,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755211671] [2024-11-10 05:06:16,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:06:16,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:06:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat